solve the system of equations using the substitution method. 8x-9=y, y-8x=-4
sub the 1st into the 2nd
(8x-9) - 8x = -4
-9 = -4
well, that is silly!
ahh, we must have 2 parallel lines
no solution!
(8x-9) - 8x = -4
-9 = -4
well, that is silly!
ahh, we must have 2 parallel lines
no solution!